a member of the exploratorium's board of directors. grand opening is later this morning. the ceremony includes speeches from gavin newsom and san francisco mayor ed lee. i know our cate caugiran got a little -- there she is! [ laughter ] >> we saw that earlier. i'm like we got tape. >> she had a ball there last week when they were letting reporters get a sneak peek but everyone gets in later today. >> tickets are selling out so you may want to get tickets in advance. >>> facebook ads are about to get more annoying. how many videos a day could pop up in your newsfeed. >> 30 skiers all doing a back flip at the same time. why it won't make the guiness book of world records but it's cool, coming up. ,,,,,,,,,,,,,,,,,,,, backflip. all in the hopes of mak book of >>> well, check out these canadian skiers. 30 of them did a joint back flip. how cool is that. all in the hopes of making the guinness book of world records. the big news is probably the biggest simultaneous ski back flip in history. they all made it. the bad news is the group missed the entry deadline for guinness so